John Philip Holland: Irish inventor of the submarine
John Philip Holland Biography, Birthday. Awards & Facts About John Philip Holland
Timeline | John Philip Holland
Clare People: John P. Holland (1841-1914)
Irish American Heritage Month: John Philip Holland, Inventor of the Modern Submarine
John Philip Holland | American inventor | Britannica
John Philip Holland 1841 | Ireland Reaching Out
Home | John Philip Holland
John P. Holland (1841 - 1914)
John Philip Holland | American inventor | Britannica
Home | John Philip Holland
Home | John Philip Holland
John Philip Holland: Irish inventor of the submarine
John Philip Holland
Irish American Heritage Month: John Philip Holland, Inventor of the Modern Submarine
John Philip Holland: the Irish inventor who helped take the war underwater
Holland, John Philip
RTÉ Archives | Technology | Inventor of the Submarine, John P. Holland
John Philip Holland - Wikipedia
John Philip Holland Biography, Birthday. Awards & Facts About John Philip Holland
Irish American Heritage Month: John Philip Holland, Inventor of the Modern Submarine
Timeline | John Philip Holland
John Philip Holland: The Father of the Modern Submarine
John P. Holland (1841 - 1914)
